280555275255 has 32 divisors (see below), whose sum is σ = 459922738176. Its totient is φ = 145960397184.

The previous prime is 280555275233. The next prime is 280555275257. The reversal of 280555275255 is 552572555082.

It is not a de Polignac number, because 280555275255 - 2⁸ = 280555274999 is a prime.

It is a super-2 number, since 2×280555275255² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 280555275198 and 280555275207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280555275257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217234 + ... + 779936.

It is an arithmetic number, because the mean of its divisors is an integer number (14372585568).

Almost surely, 2^280555275255 is an apocalyptic number.

280555275255 is a deficient number, since it is larger than the sum of its proper divisors (179367462921).

280555275255 is a wasteful number, since it uses less digits than its factorization.

280555275255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563527.

The product of its (nonzero) digits is 7000000, while the sum is 51.

The spelling of 280555275255 in words is "two hundred eighty billion, five hundred fifty-five million, two hundred seventy-five thousand, two hundred fifty-five".